! Started logfile: /image_prod/ug002_uva//J0836+4401_X_dfm.log on Wed Mar 4 22:28:18 2020 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /image_prod/ug002_uva//J0836+4401_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J0836+4401_X_uva.fits ! AN table 1: 150 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.833333 visibilities/baseline/integration-bin. ! Found source: J0836+4401 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 108 lines of history. ! ! Reading 42000 visibilities. select rr, 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ! Restricting channel ranges to the available 12 channels. ! Selecting polarization: RR, channels: 1..12 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 ! Reading IF 9 channels: 9..9 ! Reading IF 10 channels: 10..10 ! Reading IF 11 channels: 11..11 ! Reading IF 12 channels: 12..12 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J0836+4401_X] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.001464Jy sigma=9.531216 ! Fit after self-cal, rms=0.976894Jy sigma=9.303063 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7006 mas, bmaj=1.197 mas, bpa=-7.192 degrees ! Estimated noise=0.9307 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0194427 Jy ! Component: 100 - total flux cleaned = 0.0233559 Jy ! Total flux subtracted in 100 components = 0.0233559 Jy ! Clean residual min=-0.002674 max=0.002851 Jy/beam ! Clean residual mean=-0.000001 rms=0.000583 Jy/beam ! Combined flux in latest and established models = 0.0233559 Jy ! Performing phase self-cal ! Adding 2 model components to the UV plane model. ! The established model now contains 2 components and 0.0233559 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.047514Jy sigma=0.424604 ! Fit after self-cal, rms=0.045808Jy sigma=0.407807 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00357417 Jy ! Component: 100 - total flux cleaned = 0.00328893 Jy ! Total flux subtracted in 100 components = 0.00328893 Jy ! Clean residual min=-0.002487 max=0.002713 Jy/beam ! Clean residual mean=-0.000000 rms=0.000542 Jy/beam ! Combined flux in latest and established models = 0.0266449 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.0266449 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.045598Jy sigma=0.406285 ! Fit after self-cal, rms=0.045572Jy sigma=0.406191 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9239 mas, bmaj=1.467 mas, bpa=-4.878 degrees ! Estimated noise=0.367743 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00091923 Jy ! Component: 100 - total flux cleaned = -0.00116575 Jy ! Component: 150 - total flux cleaned = -0.00119943 Jy ! Component: 200 - total flux cleaned = -0.00124332 Jy ! Total flux subtracted in 200 components = -0.00124332 Jy ! Clean residual min=-0.001320 max=0.001512 Jy/beam ! Clean residual mean=0.000000 rms=0.000297 Jy/beam ! Combined flux in latest and established models = 0.0254015 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 13 components and 0.0254015 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.045551Jy sigma=0.405968 ! Fit after self-cal, rms=0.045508Jy sigma=0.405846 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9239 x 1.467 at -4.878 degrees (North through East) ! Clean map min=-0.001196 max=0.027295 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.96 HN 1.00 KP 1.09 ! MK 1.13 NL 1.31 OV 0.92 SC 0.93 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.97 HN 0.94 KP 1.12 ! MK 1.12 NL 1.38 OV 0.95 SC 0.98 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 HN 0.94 KP 1.03 ! MK 1.14 NL 1.31 OV 0.93 SC 0.94 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.04 HN 1.00 KP 1.07 ! MK 1.11 NL 1.29 OV 0.91 SC 0.90 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 1.00 HN 0.92 KP 1.05 ! MK 1.15 NL 1.26 OV 0.98 SC 0.88 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 0.95 HN 0.93 KP 1.08 ! MK 1.16 NL 1.29 OV 0.98 SC 0.87 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 0.98 HN 0.95 KP 1.02 ! MK 1.05 NL 1.34 OV 0.90 SC 0.98 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.87 FD 0.94 HN 0.83 KP 1.13 ! MK 1.09 NL 1.26 OV 0.95 SC 0.91 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 0.99 HN 0.86 KP 1.06 ! MK 1.08 NL 1.27 OV 0.85 SC 0.84 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.83 FD 0.90 HN 0.87 KP 1.02 ! MK 1.01 NL 1.35 OV 0.87 SC 1.02 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.83 FD 0.95 HN 0.80 KP 1.01 ! MK 0.85 NL 1.24 OV 0.90 SC 0.86 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.81 FD 0.91 HN 0.86 KP 0.94 ! MK 0.82 NL 1.26 OV 0.83 SC 0.83 ! ! ! Fit before self-cal, rms=0.045508Jy sigma=0.405846 ! Fit after self-cal, rms=0.043617Jy sigma=0.403005 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9182 mas, bmaj=1.457 mas, bpa=-3.196 degrees ! Estimated noise=0.366292 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.75228e-05 Jy ! Component: 100 - total flux cleaned = 4.12642e-05 Jy ! Component: 150 - total flux cleaned = 4.17464e-05 Jy ! Component: 200 - total flux cleaned = 5.58067e-05 Jy ! Total flux subtracted in 200 components = 5.58067e-05 Jy ! Clean residual min=-0.000590 max=0.000639 Jy/beam ! Clean residual mean=0.000000 rms=0.000148 Jy/beam ! Combined flux in latest and established models = 0.0254573 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 22 components and 0.0254573 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.043615Jy sigma=0.402993 ! Fit after self-cal, rms=0.043665Jy sigma=0.402034 ! Inverting map selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.043665Jy sigma=0.402034 ! Fit after self-cal, rms=0.044129Jy sigma=0.401418 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.92 mas, bmaj=1.451 mas, bpa=-2.453 degrees ! Estimated noise=0.365506 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.26855e-05 Jy ! Component: 100 - total flux cleaned = -2.55761e-05 Jy ! Component: 150 - total flux cleaned = -2.26898e-05 Jy ! Component: 200 - total flux cleaned = -2.48376e-05 Jy ! Total flux subtracted in 200 components = -2.48376e-05 Jy ! Clean residual min=-0.000563 max=0.000574 Jy/beam ! Clean residual mean=0.000000 rms=0.000133 Jy/beam ! Combined flux in latest and established models = 0.0254325 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 28 components and 0.0254325 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.044128Jy sigma=0.401417 ! Fit after self-cal, rms=0.044198Jy sigma=0.401133 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.18559e-05 Jy ! Component: 100 - total flux cleaned = -0.000106072 Jy ! Component: 150 - total flux cleaned = -0.000119119 Jy ! Component: 200 - total flux cleaned = -0.000121605 Jy ! Total flux subtracted in 200 components = -0.000121605 Jy ! Clean residual min=-0.000582 max=0.000557 Jy/beam ! Clean residual mean=0.000000 rms=0.000135 Jy/beam ! Combined flux in latest and established models = 0.0253109 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 33 components and 0.0253109 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.044198Jy sigma=0.401131 ! Fit after self-cal, rms=0.044197Jy sigma=0.401112 ! Inverting map selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.044197Jy sigma=0.401112 ! Fit after self-cal, rms=0.044390Jy sigma=0.401045 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.918 mas, bmaj=1.451 mas, bpa=-2.077 degrees ! Estimated noise=0.364145 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -5.34141e-05 Jy ! Component: 100 - total flux cleaned = -3.7947e-05 Jy ! Component: 150 - total flux cleaned = -3.32211e-05 Jy ! Component: 200 - total flux cleaned = -2.8829e-05 Jy ! Total flux subtracted in 200 components = -2.8829e-05 Jy ! Clean residual min=-0.000558 max=0.000558 Jy/beam ! Clean residual mean=0.000001 rms=0.000133 Jy/beam ! Combined flux in latest and established models = 0.0252821 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 34 components and 0.0252821 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.044389Jy sigma=0.401044 ! Fit after self-cal, rms=0.044423Jy sigma=0.400965 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.72092e-05 Jy ! Component: 100 - total flux cleaned = -3.05279e-05 Jy ! Component: 150 - total flux cleaned = -2.65461e-05 Jy ! Component: 200 - total flux cleaned = -2.26918e-05 Jy ! Total flux subtracted in 200 components = -2.26918e-05 Jy ! Clean residual min=-0.000558 max=0.000553 Jy/beam ! Clean residual mean=0.000000 rms=0.000132 Jy/beam ! Combined flux in latest and established models = 0.0252594 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 34 components and 0.0252594 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.044423Jy sigma=0.400963 ! Fit after self-cal, rms=0.044424Jy sigma=0.400962 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.044424Jy sigma=0.400962 ! Fit after self-cal, rms=0.044396Jy sigma=0.400947 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.953 mas, bmaj=2.17 mas, bpa=30.71 degrees ! Estimated noise=0.456552 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000143085 Jy ! Component: 100 - total flux cleaned = -0.000205425 Jy ! Component: 150 - total flux cleaned = -0.000214906 Jy ! Component: 200 - total flux cleaned = -0.000214996 Jy ! Total flux subtracted in 200 components = -0.000214996 Jy ! Clean residual min=-0.000572 max=0.000616 Jy/beam ! Clean residual mean=0.000001 rms=0.000147 Jy/beam ! Combined flux in latest and established models = 0.0250444 Jy selfcal ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 36 components and 0.0250444 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.044396Jy sigma=0.400950 ! Fit after self-cal, rms=0.044408Jy sigma=0.400928 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (32, -48). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000588816 Jy ! Component: 100 - total flux cleaned = 0.000644753 Jy ! Component: 150 - total flux cleaned = 0.000677958 Jy ! Component: 200 - total flux cleaned = 0.000699431 Jy ! Total flux subtracted in 200 components = 0.000699431 Jy ! Clean residual min=-0.000559 max=0.000558 Jy/beam ! Clean residual mean=0.000001 rms=0.000134 Jy/beam ! Combined flux in latest and established models = 0.0257438 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 61 components and 0.0257438 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.044402Jy sigma=0.400866 ! Fit after self-cal, rms=0.044396Jy sigma=0.400818 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=0.9166 mas, bmaj=1.451 mas, bpa=-1.9 degrees ! Estimated noise=0.362717 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9166 x 1.451 at -1.9 degrees (North through East) ! Clean map min=-0.00048876 max=0.026888 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.696 mas, bmaj=1.192 mas, bpa=-4.162 degrees ! Estimated noise=0.90702 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0218701 Jy ! Component: 100 - total flux cleaned = 0.0259254 Jy ! Component: 150 - total flux cleaned = 0.0261004 Jy ! Component: 200 - total flux cleaned = 0.0262158 Jy ! Total flux subtracted in 200 components = 0.0262158 Jy ! Clean residual min=-0.002001 max=0.001719 Jy/beam ! Clean residual mean=-0.000000 rms=0.000416 Jy/beam ! Combined flux in latest and established models = 0.0262158 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 0.0262158 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9166 mas, bmaj=1.451 mas, bpa=-1.9 degrees ! Estimated noise=0.362717 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000105065 Jy ! Component: 100 - total flux cleaned = 0.000153754 Jy ! Component: 150 - total flux cleaned = 0.000191819 Jy ! Component: 200 - total flux cleaned = 0.000209199 Jy ! Total flux subtracted in 200 components = 0.000209199 Jy ! Clean residual min=-0.000558 max=0.000563 Jy/beam ! Clean residual mean=0.000000 rms=0.000131 Jy/beam ! Combined flux in latest and established models = 0.0264249 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 37 components and 0.026425 Jy ! Inverting map ! Added new window around map position (3.8, -4.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000201756 Jy ! Component: 100 - total flux cleaned = 0.000288308 Jy ! Component: 150 - total flux cleaned = 0.000275202 Jy ! Component: 200 - total flux cleaned = 0.000251355 Jy ! Total flux subtracted in 200 components = 0.000251355 Jy ! Clean residual min=-0.000536 max=0.000518 Jy/beam ! Clean residual mean=0.000000 rms=0.000124 Jy/beam ! Combined flux in latest and established models = 0.0266763 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 57 components and 0.0266763 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.953 mas, bmaj=2.17 mas, bpa=30.71 degrees ! Estimated noise=0.456552 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000241419 Jy ! Component: 100 - total flux cleaned = 0.000352593 Jy ! Component: 150 - total flux cleaned = 0.000339745 Jy ! Component: 200 - total flux cleaned = 0.000315736 Jy ! Total flux subtracted in 200 components = 0.000315736 Jy ! Clean residual min=-0.000503 max=0.000516 Jy/beam ! Clean residual mean=0.000000 rms=0.000128 Jy/beam ! Combined flux in latest and established models = 0.026992 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -1.08621e-05 Jy ! Component: 100 - total flux cleaned = -1.59371e-05 Jy ! Component: 150 - total flux cleaned = -1.59215e-05 Jy ! Component: 200 - total flux cleaned = -2.47861e-05 Jy ! Total flux subtracted in 200 components = -2.47861e-05 Jy ! Clean residual min=-0.000503 max=0.000526 Jy/beam ! Clean residual mean=0.000000 rms=0.000127 Jy/beam ! Combined flux in latest and established models = 0.0269673 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 91 components and 0.0269673 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9166 mas, bmaj=1.451 mas, bpa=-1.9 degrees ! Estimated noise=0.362717 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.35008e-05 Jy ! Component: 100 - total flux cleaned = 2.39075e-05 Jy ! Component: 150 - total flux cleaned = 1.4593e-05 Jy ! Component: 200 - total flux cleaned = -1.13819e-05 Jy ! Total flux subtracted in 200 components = -1.13819e-05 Jy ! Clean residual min=-0.000512 max=0.000515 Jy/beam ! Clean residual mean=0.000000 rms=0.000120 Jy/beam ! Combined flux in latest and established models = 0.0269559 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 108 components and 0.0269559 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.044380Jy sigma=0.400698 ! Fit after self-cal, rms=0.044369Jy sigma=0.400591 wmodel J0836+4401_X_map.mod ! Writing 108 model components to file: J0836+4401_X_map.mod wobs J0836+4401_X_uvs.fits ! Writing UV FITS file: J0836+4401_X_uvs.fits wwins J0836+4401_X_map.win ! wwins: Wrote 3 windows to J0836+4401_X_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -9.97059e-05 Jy ! Component: 100 - total flux cleaned = -0.000136524 Jy ! Component: 150 - total flux cleaned = -0.000154427 Jy ! Component: 200 - total flux cleaned = -0.000137219 Jy ! Component: 250 - total flux cleaned = -0.000154292 Jy ! Component: 300 - total flux cleaned = -0.000145953 Jy ! Component: 350 - total flux cleaned = -0.000105725 Jy ! Component: 400 - total flux cleaned = -7.43795e-05 Jy ! Component: 450 - total flux cleaned = -2.83339e-05 Jy ! Component: 500 - total flux cleaned = 1.63867e-06 Jy ! Component: 550 - total flux cleaned = 2.38527e-05 Jy ! Component: 600 - total flux cleaned = 3.1148e-05 Jy ! Component: 650 - total flux cleaned = 5.99358e-05 Jy ! Component: 700 - total flux cleaned = 8.11036e-05 Jy ! Component: 750 - total flux cleaned = 9.51083e-05 Jy ! Component: 800 - total flux cleaned = 0.000115812 Jy ! Component: 850 - total flux cleaned = 0.000102354 Jy ! Component: 900 - total flux cleaned = 0.000102485 Jy ! Component: 950 - total flux cleaned = 0.00010902 Jy ! Component: 1000 - total flux cleaned = 9.5947e-05 Jy ! Component: 1050 - total flux cleaned = 7.66574e-05 Jy ! Component: 1100 - total flux cleaned = 8.94055e-05 Jy ! Component: 1150 - total flux cleaned = 9.5685e-05 Jy ! Component: 1200 - total flux cleaned = 6.46118e-05 Jy ! Component: 1250 - total flux cleaned = 8.31208e-05 Jy ! Component: 1300 - total flux cleaned = 8.92407e-05 Jy ! Component: 1350 - total flux cleaned = 0.000107308 Jy ! Component: 1400 - total flux cleaned = 0.000107232 Jy ! Component: 1450 - total flux cleaned = 7.75625e-05 Jy ! Component: 1500 - total flux cleaned = 9.51411e-05 Jy ! Component: 1550 - total flux cleaned = 8.92755e-05 Jy ! Component: 1600 - total flux cleaned = 7.77182e-05 Jy ! Component: 1650 - total flux cleaned = 7.20171e-05 Jy ! Component: 1700 - total flux cleaned = 7.19861e-05 Jy ! Component: 1750 - total flux cleaned = 5.51506e-05 Jy ! Component: 1800 - total flux cleaned = 5.51378e-05 Jy ! Component: 1850 - total flux cleaned = 4.96192e-05 Jy ! Component: 1900 - total flux cleaned = 6.05729e-05 Jy ! Component: 1950 - total flux cleaned = 4.42311e-05 Jy ! Component: 2000 - total flux cleaned = 3.34234e-05 Jy ! Component: 2050 - total flux cleaned = 4.4018e-05 Jy ! Component: 2100 - total flux cleaned = 2.81398e-05 Jy ! Component: 2150 - total flux cleaned = 2.28533e-05 Jy ! Component: 2200 - total flux cleaned = 1.92619e-06 Jy ! Component: 2250 - total flux cleaned = 7.17412e-06 Jy ! Component: 2300 - total flux cleaned = 7.22983e-06 Jy ! Component: 2350 - total flux cleaned = 1.23889e-05 Jy ! Component: 2400 - total flux cleaned = 7.35553e-06 Jy ! Component: 2450 - total flux cleaned = -7.7762e-06 Jy ! Component: 2500 - total flux cleaned = -1.78182e-05 Jy ! Component: 2550 - total flux cleaned = -7.87146e-06 Jy ! Component: 2600 - total flux cleaned = -7.84912e-06 Jy ! Component: 2650 - total flux cleaned = -2.9073e-06 Jy ! Component: 2700 - total flux cleaned = -1.75847e-05 Jy ! Component: 2750 - total flux cleaned = -1.27232e-05 Jy ! Component: 2800 - total flux cleaned = -1.27227e-05 Jy ! Component: 2850 - total flux cleaned = -3.14037e-06 Jy ! Component: 2900 - total flux cleaned = -7.8952e-06 Jy ! Component: 2950 - total flux cleaned = -7.95162e-06 Jy ! Component: 3000 - total flux cleaned = -3.2829e-06 Jy ! Component: 3050 - total flux cleaned = 6.071e-06 Jy ! Component: 3100 - total flux cleaned = -3.29653e-06 Jy ! Component: 3150 - total flux cleaned = -3.28537e-06 Jy ! Component: 3200 - total flux cleaned = 1.05559e-05 Jy ! Component: 3250 - total flux cleaned = 1.51176e-05 Jy ! Component: 3300 - total flux cleaned = 1.43831e-06 Jy ! Component: 3350 - total flux cleaned = 1.96106e-05 Jy ! Component: 3400 - total flux cleaned = 1.51135e-05 Jy ! Component: 3450 - total flux cleaned = 1.62404e-06 Jy ! Component: 3500 - total flux cleaned = 2.39841e-05 Jy ! Component: 3550 - total flux cleaned = 3.28959e-05 Jy ! Component: 3600 - total flux cleaned = 1.96184e-05 Jy ! Component: 3650 - total flux cleaned = 2.84085e-05 Jy ! Component: 3700 - total flux cleaned = 1.96374e-05 Jy ! Component: 3750 - total flux cleaned = 3.70927e-05 Jy ! Component: 3800 - total flux cleaned = 5.00907e-05 Jy ! Component: 3850 - total flux cleaned = 4.57498e-05 Jy ! Component: 3900 - total flux cleaned = 3.28434e-05 Jy ! Component: 3950 - total flux cleaned = 3.71143e-05 Jy ! Component: 4000 - total flux cleaned = 4.13976e-05 Jy ! Component: 4050 - total flux cleaned = 4.98828e-05 Jy ! Total flux subtracted in 4096 components = 5.83193e-05 Jy ! Clean residual min=-0.000292 max=0.000243 Jy/beam ! Clean residual mean=0.000000 rms=0.000070 Jy/beam ! Combined flux in latest and established models = 0.0270142 Jy keep ! Adding 309 model components to the UV plane model. ! The established model now contains 417 components and 0.0270142 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J0836+4401_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9166 x 1.451 at -1.9 degrees (North through East) ! Clean map min=-0.00051571 max=0.026821 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J0836+4401_X_map.fits wmodel /image_prod/ug002_uva//J0836+4401_X_map.mod ! Writing 417 model components to file: /image_prod/ug002_uva//J0836+4401_X_map.mod wobs /image_prod/ug002_uva//J0836+4401_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J0836+4401_X_uvs.fits wwins /image_prod/ug002_uva//J0836+4401_X_map.win ! wwins: Wrote 4 windows to /image_prod/ug002_uva//J0836+4401_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0268207 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 6.96456e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.779014 0.779014 1.55803 3.11605 6.23211 12.4642 24.9284 49.8569 99.7137 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.026 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 385.102 quit ! Quitting program ! Log file /image_prod/ug002_uva//J0836+4401_X_dfm.log closed on Wed Mar 4 22:28:24 2020